Finding the Fourth Proportional to 210,499.48, 315,477.06 and 157,493.08
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Solution
The fourth proportional to 210,499.48, 315,477.06 and 157,493.08 is: 236,035.99
Step by Step Solution
- Step 1: Write the proportion equation
210,499.48 : 315,477.06 = 157,493.08 : x - Step 2: Convert to fraction form
210,499.48/315,477.06 = 157,493.08/x - Step 3: Cross multiply
210,499.48x = 315,477.06 × 157,493.08 - Step 4: Simplify right side
210,499.48x = 49,685,453,848.74 - Step 5: Solve for x
x = 49,685,453,848.74/210,499.48 - Step 6: Final answer
x = 236,035.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.